Dr. Melissa Lem is a Vancouver family physician and Director of PaRx, Canada's first national nature prescription program, powered by the BC Parks Foundation. President-elect of the Canadian Association of Physicians for the Environment, she has been researching, writing and speaking about the nature-health connection for over a decade. A widely published writer, she was the resident medical expert on CBC TV’s hit lifestyle show Steven and Chris for four seasons and continues to appear on air as a regular contributor to CTV News. Dr. Lem was a 2020 Joule Innovation Grant recipient from the Canadian Medical Association and is a Clinical Assistant Professor in the Faculty of Medicine at the University of British Columbia.